Throwing 250-300 mhash/s is kind of pointless with figures as low as this =X

18531   2013-06-12 12:43:26   3:23:57   44489992   739   0.00024174   241115    25.10480000    98 confirmations left

Previous block was kinder

18530   2013-06-12 09:19:29   0:53:55   9964643   211   0.00061439   241092    25.07820010    75 confirmations left